18020916261864

Names of 18020916261864

• Cardinal: 18020916261864 can be written as Eighteen trillion, twenty billion, nine hundred sixteen million, two hundred sixty-one thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8020916261864 × 10¹³

Factors of 18020916261864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7671365

Divisors of 18020916261864

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 10891 21782 32673 43564 65346 87128 98019 130692 196038 261384 294057 392076 588114 784152 1176228 2352456 7660469 15320938 22981407 30641876 45962814 61283752 68944221 91925628 137888442 183851256 206832663 275776884 413665326 551553768 827330652 1654661304 83430167879 166860335758 250290503637 333720671516 500581007274 667441343032 750871510911 1001162014548 1501743021822 2002324029096 2252614532733 3003486043644 4505229065466 6006972087288 9010458130932 18020916261864
• Sum of all divisors σ(n): 50062703544000
• Sum of proper divisors (its aliquot sum) s(n): 32041787282136
• 18020916261864 is an abundant number, because the sum of its proper divisors (32041787282136) is greater than itself. Its abundance is 14020871020272

Bases of 18020916261864

• Binary: 100000110001111010010010011111111001111101000₂
• Hexadecimal: 0x1063D24FF3E8
• Base-36: 6DYP097U0

Squares and roots of 18020916261864

• 18020916261864 squared (18020916261864²) is 324753422917114363420754496
• 18020916261864 cubed (18020916261864³) is 5852354240143023244366125091850791340544
• The square root of 18020916261864 is 4245104.9765422763
• The cube root of 18020916261864 is 26217.5611447929

Scales and comparisons

• 18,020,916,261,864 seconds is equal to 573,009 years, 20 weeks, 3 days, 16 hours, 44 minutes, 24 seconds.
• To count from 1 to 18,020,916,261,864 would take you about one million, four hundred thirty-two thousand, five hundred twenty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18020916261864 cubic inches would be around 2184.8 feet tall.

Recreational maths with 18020916261864

• 18020916261864 backwards is 46816261902081
• 18020916261864 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18020916261864's digits is 54
• More coming soon!